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MCQs

Total Questions : 150 | Page 9 of 15 pages
Question 81. Where does the light-dependent reactions in the process of photosynthesis occur?
  1.    Stroma of chloroplasts
  2.    Thylakoid of chloroplasts
  3.    Inner membranes
  4.    Grana of chloroplasts
 Discuss Question
Answer: Option D. -> Grana of chloroplasts
Answer: (d).Grana of chloroplasts
Question 82. Where does the light-independent reactions in the process of photosynthesis occur?
  1.    Stroma of chloroplasts
  2.    Thylakoid of chloroplasts
  3.    Outer membranes
  4.    Grana of chloroplasts
 Discuss Question
Answer: Option A. -> Stroma of chloroplasts
Answer: (a).Stroma of chloroplasts
Question 83. What is photoionisation? Assume presence of sunlight.
  1.    Freeing of electron from the molecule to form a negatively charged chlorophyll ion
  2.    Freeing of photoexcited electron from the molecule to form a positively charged chlorophyll ion
  3.    Absorbing of electron from the molecule to form a negatively charged chlorophyll ion
  4.    Absorbing of electron from the molecule to form a positively charged chlorophyll ion
 Discuss Question
Answer: Option B. -> Freeing of photoexcited electron from the molecule to form a positively charged chlorophyll ion
Answer: (b).Freeing of photoexcited electron from the molecule to form a positively charged chlorophyll ion
Question 84. Which of the following are products of light-dependent reactions?
  1.    ATP and glyceraldehyde 3-phosphate
  2.    Glyceraldehyde 3-phosphate and NADPH
  3.    Carbohydrates
  4.    ATP and NADPH
 Discuss Question
Answer: Option C. -> Carbohydrates
Answer: (c).Carbohydrates
Question 85. Where does the energy to drive the electron transfer system come from?
  1.    Photosystem 1
  2.    Photosystem 3 and photosystem 2
  3.    Photosystem 1 and photosystem 2
  4.    Photosystem 1 and photosystem 3
 Discuss Question
Answer: Option C. -> Photosystem 1 and photosystem 2
Answer: (c).Photosystem 1 and photosystem 2
Question 86. What is biomass?
  1.    Organic materials from living organisms
  2.    Inorganic materials from living organisms
  3.    Inorganic materials from non-living organisms
  4.    Organic materials from non-living organisms
 Discuss Question
Answer: Option A. -> Organic materials from living organisms
Answer: (a).Organic materials from living organisms
Question 87. Which of the following is not used as food for humans?
  1.    Sugars
  2.    Glucose
  3.    Cellulosic matter
  4.    Fats
 Discuss Question
Answer: Option C. -> Cellulosic matter
Answer: (c).Cellulosic matter
Question 88. Which of the following can be classified under biomass?
  1.    Steel
  2.    Organic molecules containing hydrogen
  3.    NaOH
  4.    Iron
 Discuss Question
Answer: Option B. -> Organic molecules containing hydrogen
Answer: (b).Organic molecules containing hydrogen
Question 89. Value of any biomass depends on ___________ properties.
  1.    chemical and physical
  2.    chemical and photo sensitive
  3.    physical and photo sensitive
  4.    the number of carbon molecules and on the number of tin molecules
 Discuss Question
Answer: Option A. -> chemical and physical
Answer: (a).chemical and physical
Question 90. __________ is an example of cellulosic biomass.
  1.    Glucose
  2.    Fats
  3.    Lipids
  4.    Agricultural residue
 Discuss Question
Answer: Option D. -> Agricultural residue
Answer: (d).Agricultural residue

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